2027 NoCo Half Marathon & 10K

Race Information

Spring is the season of renewal and beautiful Colorado running. Join a fun adventure that embodies the spirit of springtime at the beautiful Boyd Lake State Park! Choose from the Half Marathon (13.1 mile) or 10K (6.2 mile) for your run adventure. This course is on smooth paved walkways with about three quarters of a mile being off road. Beautiful lake and wildlife views and fun post race festivities. This is one flat course making sure you’ll set a new PR or enjoy a fun steady-paced morning run race.

Elevation & Celebration: The Denver Summer Bundle is Here!

💸 Save 25% When You Bundle!

3 Months. 3 Races. Your Ultimate Summer Challenge.

Denver runners, it’s time to take your summer to new heights! Registration is officially open for the Denver Summer Bundle—the best way to stay motivated and active all summer long.

The 2026 Denver Lineup:

🔥 July 11: Heatwave | 5k, 10k, Half, & Relay
☀️ August 8: Summer Sizzler | 5k, 10k, & 15k
🌾 September 5: Golden Harvest | 5k, 10k, & Half

The Summer Bundle ☀️ is built for those who want the best value and a consistent summer goal. One registration gets you into all three races with a massive 25% discount! Prefer to take it one month at a time? No problem, individual race registration is open.

Lock in your summer goals today, secure your savings, and let’s show the Mile-High City what we’re made of!

Bundle & Save 25%